问题
选择题
_______ about their table manners, the guests decided to do everything that the president did.
A．Worried
B．Being worrying
C．Having worried
D．Having been worried
答案
答案：A
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_______ about their table manners, the guests decided to do everything that the president did.
A．Worried
B．Being worrying
C．Having worried
D．Having been worried
答案：A